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Artículo

dc.creatorRomero-Muñiz, Carlos
dc.creatorIpus Bados, Jhon Jairo
dc.creatorBlázquez Gámez, Javier Sebastián
dc.creatorFranco García, Victorino
dc.creatorConde Amiano, Alejandro
dc.date.accessioned2016-01-29T12:14:12Z
dc.date.available2016-01-29T12:14:12Z
dc.date.issued2014
dc.identifier.issn0003-6951es
dc.identifier.urihttp://hdl.handle.net/11441/33597
dc.description.abstractIn recent years, the magnetocaloric effect is studied not only for the search of potential magnetic refrigerant materials but also for the analysis of critical phenomena. In both cases, the demagnetizing field might have a notable influence on the results. In this work, we carry out a systematic study, based on theoretical simulations, of the influence of the demagnetizing factor on the magnetocaloric properties. On the one hand, we show that demagnetizing factor affects only slightly the magnetic entropy change ( D S M ), reducing its magnitude and shifting the peak to higher temperatures. On the other hand, it dramatically affects the exponent n of field dependence ð D S M / H n Þ at temperatures below the peak. We demonstrate that scaling of the magnetocaloric curves can be used to remove the influence of the demagnetizing field and, to which extent, critical exponent determination can be affected. Results of numerical simulations are compared with experimental data from a ball milled powder alloy.es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherAIP Publishinges
dc.relation.ispartofApplied Physics Letters, 104 (252405)es
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectEntropyes
dc.subjectDemagnetizationes
dc.subjectMagnetic materialses
dc.titleInfluence of the demagnetizing factor on the magnetocaloric effect: Critical scaling and numerical simulationses
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física de la Materia Condensadaes
dc.relation.publisherversion10.1063/1.4885110es
dc.identifier.doihttp://dx.doi.org/10.1063/1.4885110es
dc.identifier.idushttps://idus.us.es/xmlui/handle/11441/33597

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